{"paper":{"title":"$B_{u}$ ${\\to}$ ${\\psi}M$ decays and $S$-$D$ wave mixing effects","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Gongru Lu, Junfeng Sun, Na Wang, Qin Chang, Yueling Yang, Yupei Guo","submitted_at":"2018-08-23T02:02:37Z","abstract_excerpt":"The $B_{u}$ ${\\to}$ ${\\psi}M$ decays are studied with the perturbative QCD approach, where the psion ${\\psi}$ $=$ ${\\psi}(2S)$, ${\\psi}(3770)$, ${\\psi}(4040)$ and ${\\psi}(4160)$, and the light meson $M$ $=$ ${\\pi}$, $K$, ${\\rho}$ and $K^{\\ast}$. The factorizable and nonfactorizable contributions, and the $S$-$D$ wave mixing effects on the psions are considered in the calculation. With appropriate inputs, the branching ratios for the $B_{u}$ ${\\to}$ ${\\psi}K$ decays are generally coincident with the experimental data within errors. However, due to the large theoretical and experimental errors, "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1808.07605","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"}